import lldb


class OperatingSystemPlugIn(object):
    """Class that provides data for an instance of a LLDB 'OperatingSystemPython' plug-in class"""

    def __init__(self, process):
        """Initialization needs a valid.SBProcess object.

        This plug-in will get created after a live process is valid and has stopped for the first time.
        """
        self.process = None
        self.registers = None
        self.threads = None
        if isinstance(process, lldb.SBProcess) and process.IsValid():
            self.process = process
            self.threads = None  # Will be an dictionary containing info for each thread

    def get_target(self):
        return self.process.target

    def get_thread_info(self):
        if not self.threads:
            # FIXME: LLDB is not actually parsing thread stop reasons.
            self.threads = [
                {
                    "tid": 0x111111111,
                    "name": "one",
                    "queue": "queue1",
                    "state": "stopped",
                    "stop_reason": "not parsed",
                },
                {
                    "tid": 0x222222222,
                    "name": "two",
                    "queue": "queue2",
                    "state": "stopped",
                    "stop_reason": "not parsed",
                },
                {
                    "tid": 0x333333333,
                    "name": "three",
                    "queue": "queue3",
                    "state": "stopped",
                    "stop_reason": 'not parsed - should be "sigstop" though',
                    "core": 0,
                },
            ]
        return self.threads
